{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["message topic", "entity destination", "product producer", "entity origin"], "input": "a witness statement contains the witness 's factual account of the circumstances of the dispute ."}
{"message topic": [], "entity destination": [], "product producer": [], "entity origin": []}